Question

How does the structure of shakespeare's sonnets affect the content of the poem?

Answer 1

The correct answer is D. There is a change in mood from the quatrains to the final couplet. This is common in the English sonnet that the final couplet is used to change the mood and add new meaning to what was previously said, thus being a sort of a peak for the sonnet. 

Answer 2

The structure of Shakespeare's sonnets affect the content of the poem is a change in mood from the quatrains to the final couplet.

Hope this helps :)

The Answer would be D